EP3845889A4 - Inspection device and inspection method - Google Patents

Inspection device and inspection method Download PDF

Info

Publication number
EP3845889A4
EP3845889A4 EP19854997.4A EP19854997A EP3845889A4 EP 3845889 A4 EP3845889 A4 EP 3845889A4 EP 19854997 A EP19854997 A EP 19854997A EP 3845889 A4 EP3845889 A4 EP 3845889A4
Authority
EP
European Patent Office
Prior art keywords
inspection
inspection device
inspection method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19854997.4A
Other languages
German (de)
French (fr)
Other versions
EP3845889A1 (en
Inventor
Taro Imagawa
Akihiro Noda
Yuki Maruyama
Hiroya Kusaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP3845889A1 publication Critical patent/EP3845889A1/en
Publication of EP3845889A4 publication Critical patent/EP3845889A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G06T7/001—Industrial image inspection using an image reference approach
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • G06T7/74—Determining position or orientation of objects or cameras using feature-based methods involving reference images or patches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/97—Determining parameters from multiple pictures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30181—Earth observation
    • G06T2207/30184—Infrastructure
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
EP19854997.4A 2018-08-30 2019-06-12 Inspection device and inspection method Withdrawn EP3845889A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018161683 2018-08-30
PCT/JP2019/023209 WO2020044725A1 (en) 2018-08-30 2019-06-12 Inspection device and inspection method

Publications (2)

Publication Number Publication Date
EP3845889A1 EP3845889A1 (en) 2021-07-07
EP3845889A4 true EP3845889A4 (en) 2021-10-27

Family

ID=69644177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19854997.4A Withdrawn EP3845889A4 (en) 2018-08-30 2019-06-12 Inspection device and inspection method

Country Status (5)

Country Link
US (1) US20210104033A1 (en)
EP (1) EP3845889A4 (en)
JP (1) JPWO2020044725A1 (en)
CN (1) CN112352148A (en)
WO (1) WO2020044725A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113795730A (en) * 2019-03-26 2021-12-14 萨兰达有限公司 Fastener assembly sensor unit
CN112419299B (en) * 2020-12-04 2024-01-19 中冶建筑研究总院（深圳）有限公司 Bolt missing detection method, device, equipment and storage medium
JP7506006B2 (en) 2021-02-22 2024-06-25 東海旅客鉄道株式会社 Bolt looseness detection system
CN113639685B (en) * 2021-08-10 2023-10-03 杭州申昊科技股份有限公司 Displacement detection method, device, equipment and storage medium
CN114627059B (en) * 2022-02-27 2022-12-13 扬州孚泰电气有限公司 Data processing-based stockbridge damper bolt detection method
JP7381708B1 (en) * 2022-12-23 2023-11-15 楽天グループ株式会社 Information processing device, information processing method, and information processing program
CN117036360B (en) * 2023-10-10 2024-01-16 深圳市磐锋精密技术有限公司 Screw visual positioning method and system based on image analysis

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08278116A (en) 1995-04-07 1996-10-22 Central Japan Railway Co Inspection method for bolt looseness and inspection device therefor
JP4134352B2 (en) * 1996-05-27 2008-08-20 西日本旅客鉄道株式会社 Rail fastening looseness detection device and detection method
JPH11132215A (en) * 1997-10-27 1999-05-18 Nippon Signal Co Ltd:The Device for confirming fastening of fastening tool
JP2004132881A (en) * 2002-10-11 2004-04-30 Mitsubishi Heavy Ind Ltd Method for inspecting arrangement structure
JP4886999B2 (en) * 2005-05-12 2012-02-29 東海旅客鉄道株式会社 Bolt looseness determination method and bolt looseness detection device
JP5305603B2 (en) * 2007-03-15 2013-10-02 川崎重工業株式会社 Railway rail fastening bolt looseness inspection device
JP5221984B2 (en) * 2008-02-29 2013-06-26 三菱重工業株式会社 Fastener looseness detection system and looseness detection method
JP5283548B2 (en) * 2009-03-27 2013-09-04 川崎重工業株式会社 Railway rail fastening looseness inspection apparatus and method
JP2012103009A (en) * 2010-11-05 2012-05-31 Panasonic Electric Works Sunx Co Ltd Position change monitor and position change monitoring system including the same
CN202166619U (en) * 2011-07-26 2012-03-14 武汉点线科技有限公司 Surface quality detection device for steel plate
JP5751630B2 (en) * 2011-12-27 2015-07-22 Kddi株式会社 Inspection auxiliary device and method
JP6032812B2 (en) * 2013-02-19 2016-11-30 Kddi株式会社 Inspection assistance device
US10473458B2 (en) * 2015-10-06 2019-11-12 Snap-On Incorporated Self-calibrating wheel aligner with improved portability
US10062176B2 (en) * 2016-02-24 2018-08-28 Panasonic Intellectual Property Management Co., Ltd. Displacement detecting apparatus and displacement detecting method
JP6687969B2 (en) * 2016-07-28 2020-04-28 公益財団法人鉄道総合技術研究所 Deformation detection device and deformation detection program
CN106683075B (en) * 2016-11-22 2020-02-21 广东工业大学 Method for detecting bolt defects at cross arm of power transmission line tower

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
NGUYEN TUAN-CUONG ET AL: "Bolt-loosening identification of bolt connections by vision image-based technique", PROCEEDINGS OF SPIE; [PROCEEDINGS OF SPIE ISSN 0277-786X VOLUME 10524], SPIE, US, vol. 9804, 8 April 2016 (2016-04-08), pages 980413 - 980413, XP060067937, ISBN: 978-1-5106-1533-5, DOI: 10.1117/12.2219055 *
See also references of WO2020044725A1 *
SEYED MAJID YADAVAR NIKRAVESH ET AL: "A Review Paper on Looseness Detection Methods in Bolted Structures", LATIN AMERICAN JOURNAL OF SOLIDS AND STRUCTURES, vol. 14, no. 12, December 2017 (2017-12-01), pages 2153 - 2176, XP055659262, ISSN: 1679-7817, DOI: 10.1590/1679-78254231 *

Also Published As

Publication number Publication date
CN112352148A (en) 2021-02-09
WO2020044725A1 (en) 2020-03-05
EP3845889A1 (en) 2021-07-07
US20210104033A1 (en) 2021-04-08
JPWO2020044725A1 (en) 2021-08-12

Similar Documents

Publication Publication Date Title
EP3840457A4 (en) Measurement method and device
EP3860192A4 (en) Measurement method and device
EP3817445A4 (en) Measurement method and measurement device
EP3809391A4 (en) Calculation device and calculation method
EP3823364A4 (en) Configuration method and device
EP3699579A4 (en) Inspection method and inspection device and computer-readable medium
EP3817507A4 (en) Configuration method and device
EP3780276A4 (en) Measuring method and device
EP3715817A4 (en) Optical inspection device and optical inspection method
EP3722745A4 (en) Shape inspection device and shape inspection method
EP3734641A4 (en) Sample inspection device and sample inspection method
EP3845889A4 (en) Inspection device and inspection method
EP3913956A4 (en) Measurement method and device
EP3940373A4 (en) Inspection device and method
EP3951844A4 (en) Inspection device and inspection method
EP3660491A4 (en) Defect inspecting method and defect inspecting device
EP3444584A4 (en) Inspecting device and inspecting method
EP3951845A4 (en) Inspection device and inspection method
EP3719442A4 (en) Shape inspecting device and shape inspecting method
EP3859268A4 (en) Measurement device and measurement method
EP3806394A4 (en) Configuration method and device
EP3965460A4 (en) Ssb-based measurement method and device
EP3690427A4 (en) Inspection device and inspection method
EP3611666A4 (en) Inspection method and inspection device
EP3859269A4 (en) Measurement device and measurement method

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20201214

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: G01N0021880000

Ipc: G06T0007000000

A4 Supplementary search report drawn up and despatched

Effective date: 20210923

RIC1 Information provided on ipc code assigned before grant

Ipc: G06T 7/73 20170101ALN20210917BHEP

Ipc: G01N 21/88 20060101ALI20210917BHEP

Ipc: E01D 22/00 20060101ALI20210917BHEP

Ipc: G06T 7/00 20170101AFI20210917BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20231109